Jacek Koziel, assoc. prof. Air quality engineering and livestock odor
	Dept. of Agricultural & Biosystems Engineering, Dept. of Civil, Construction and Environmental Engineering, Iowa State University 3103 National Swine Research and Information Center, 2150 Pammel Drive, Ames, IA 50011 (directions) Phone: 515-294-4206, koziel@iastate.edu  Atmospheric Air Quality Laboratory

ISU President Gregory Geoffroy analyzes an air sample at ISU's Atmospheric Air Quality Laboratory

• Chen, L., S.J. Hoff, J.A. Koziel, L. Cai, B. Zelle, G. Sun.  2008. Performance evaluation of a woodchip-based biofilter using solid-phase microextraction and gas chromatography-mass spectrometry-olfactometry.  Bioresource Technology, 99, 7763-7780. 
• Laor, Y., J.A. Koziel, L. Cai, U. Ravid. 2008. Enhanced characterization of dairy manure odor by time-increased headspace solid phase microextraction and multidimensional gas chromatography–mass spectrometry-olfactometry. Journal of the Air & Waste Management Association, in press.

• Li L, M. Fan, R.C. Brown., J.A. Koziel., J(Hans) van Leeuwen. 2008.  Production of a new wastewater treatment coagulant from fly ash with concomitant flue gas scrubbing. Journal of Hazardous Materials, in press.  

• Li L, M. Fan, R.C. Brown., J.A. Koziel., J(Hans) van Leeuwen. 2008. Reduction of SO₂ in flue gas and applications of fly ash: a review. PowerPlant Chemistry, 10(5), 290-301. 

• Jacobson, L.D., B.P. Hetchler, D.R. Schmidt, R.E. Nicolai, A.J. Heber, J. Ni, S.J., Hoff, J.A. Koziel, D.B. Parker, Y. Zhang,  D.B. Beasley. 2008. Quality Assured Measurements of Animal Building Emissions: Part 3 -Odor Concentrations: Journal of the Air & Waste Management Association, 58, 806-811.
• Suna, H., S. Trabue, K. Scoggin, W. Jackson., Y. Pan, Y. Zhao, J.A. Koziel, and F. Mitloehner. 2008. Alcohol, volatile fatty acid, phenol, and methane emissions from dairy cows and fresh waste. Journal of Environmental Quality, 37(2), 615-622.

• Lo, Y.C., J.A. Koziel, L. Cai, S.J. Hoff, W.S. Jenks, H. Xin. 2008. Simultaneous chemical and sensory characterization of VOCs and semi-VOCs emitted from swine manure using SPME and multidimensional gas chromatography-mass spectrometry-olfactometry system. Journal of Environmental Quality, 37(2), 521-534.

• Cai, L., J.A. Koziel, M. O'Neal. 2007. Determination of characteristic odorants from Harmonia axyridis beetles using in vivo solid-phase microextraction and multidimensional gas chromatography - mass spectrometry - olfactometry. Journal of Chromatography A., 1147, 66-78. 

• Cai, L., J.A. Koziel, A.T. Nguyen, Y. Liang, and H. Xin. 2007. Evaluation of zeolite for control of odorants emissions from simulated poultry manure storage. Journal of Environmental Quality, 36(1):184-193.

• Cai L., J.A. Koziel, J. Davis, Y.C. Lo and H. Xin. 2006. Characterization of VOCs and odors by in vivo sampling of beef cattle rumen gas using SPME and GC-MS-olfactometry.  Analytical and Bioanalytical Chemistry, 386(6):1791-1802. 

• Heber, A.J., T.-T. Lim, J.-Q. Ni, P.C. Tao, A.M. Schmidt, J.A. Koziel, S.J. Hoff, L.D. Jacobson, Y. Zhang, G.B. Baughman.  2006. Quality assured measurements of animal building emissions: particulate matter concentrations.  Journal of the Air & Waste Management Association, 56:1642-1648.

• Bulliner E.A., J.A. Koziel, L. Cai, and D. Wright. 2006. Characterization of livestock odors using steel plates, solid phase microextraction, and multidimensional - gas chromatography-mass spectrometry-olfactometry. Journal of the Air & Waste Management Association, 56:1391-1403.

• Heber, A.J., J.-Q. Ni, T.-T. Lim, P.C. Tao, A.M. Schmidt, J.A. Koziel, , D.B. Beasley, S.J. Hoff, R.E. Nicolai, L.D. Jacobson, Y. Zhang.  2006. Quality assured measurements of animal building emissions: gas concentrations.  Journal of the Air & Waste Management Association, 56:1472-1483.

• Koziel, J.A., L. Cai, D. Wright, S. Hoff. 2006. Solid phase microextraction as a novel air sampling technology for improved, GC-Olfactometry-based, assessment of livestock odors. Journal of Chromatographic Science, 44(7), 451-457.

• Cai L., J.A. Koziel., Y.C. Lo, S.J. Hoff. 2006. Characterization of VOCs and odorants associated with swine barn particulate matter using SPME and gas chromatography-mass spectrometry-olfactometry. Journal of Chromatography A, 1102 (1-2), 60-72.

• Baek, B.H., R. Todd, N.A. Cole, and J.A. Koziel. 2006. Ammonia and hydrogen sulfide flux and dry deposition velocity measurements using vertical gradient method at a commercial beef cattle feedlot. International Journal of Global Environmental Issues, vol. 6 (2/3) 189-203.

• Baek, B.H., J.A. Koziel, and V.P. Aneja. 2006. A preliminary review of gas-to-particle monitoring and modeling efforts in the USA. International Journal of Global Environmental Issues, vol. 6 (2/3) 204-230.

• Jerez, S.B, Y. Zhang, J. McClure, L. Jacobson, A. Heber, S. Hoff, J. Koziel, and D. Beasley. 2006. Comparison of measured total suspended particulate matter concentration using tapered element oscillating microbalance and a TSP sampler. Journal of Air & Waste Management Association. 56: 261-270.

• Hoff, S.J., D.S. Bundy, M.A. Nelson, B.C. Zelle, L.D. Jacobson, A.J. Heber, J.Q. Ni, Y. Zhang, J.A. Koziel, D.B. Beasley. 2006.  Emissions of ammonia, hydrogen sulfide, and odor before, during and after slurry removal from a deep-pit swine finisher. Journal of the Air & Waste Management Association, 56, 581-590.

• Research projects:

• quantification of emissions of VOCs, odor, NH₃, H₂S, and PM from livestock operations

• chemical and sensory analysis of odors from confined animal feeding operations using solid phase microextraction - multidimensional gas chromatography – mass spectrometry – olfactometry (SPME-GC-MS-O)

• development and testing of odor control technologies

• environmental analysis, indoor air quality

• biotechnology, ethanol, aflatoxins, kairomones

• wine flavor, aroma, neutraceuticals, trans-resveratrol

• nanoparticles

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